Biomass Processing System Self-Sustaining Heat Recovery

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Solution Overview

Problem

Current biofuel production systems require external energy, reducing their energy efficiency and contributing to harmful emissions, as they rely on fossil fuels and energy-intensive processes, especially when dealing with biomass processing and energy conversion.

Innovation Solution

A self-sufficient system integrating a Combined Heat and Power (CHP) plant with a hydrolysis device, digestion device, dryer, and traffic fuel production unit, which processes raw biomass into biofuel, heat, and electricity without external energy sources, utilizing heat recovery and thermal isolation to optimize energy efficiency and reduce emissions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If external energy sources are used for biomass processing, then production reliability is improved, but energy efficiency deteriorates

Engineering Contradiction:
Improveproduction reliabilityVSAvoidenergy efficiency
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system uses its own output (biomass, heat, electricity) to fuel its own operation. The CHP plant generates electricity and heat from biomass that is processed through hydrolysis and digestion, creating a self-sustaining cycle where the system's products become its own energy sources, eliminating dependence on external energy inputs

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent combines multiple functions into an integrated system where biomass processing, heat generation, electricity production, and fuel synthesis occur in a unified configuration. The heat and electricity from the CHP plant are directly used for drying biomass and powering processing equipment, merging energy production with process requirements

Inventive Principle:
Principle #5Merging (Combining)

2Duration of action of stationary object

If fossil fuels are used for energy-intensive processes, then process continuity is improved, but environmental harm worsens

Engineering Contradiction:
Improveprocess continuityVSAvoidemissions
Core Design Contradiction:
Duration of action of stationary objectVSObject-generated harmful factors

Solution Approach 1:

The system changes the fundamental parameter of energy source from fossil fuels to renewable biomass. By converting organic matter through hydrolysis and anaerobic digestion, the system transforms waste biomass into biogas and solid biomass fuel, fundamentally altering the energy input characteristics to be renewable and carbon-neutral

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system converts waste biomass, which would otherwise be discarded or burned inefficiently, into valuable energy resources. Through hydrolysis and digestion processes, the organic material is transformed into biogas for electricity generation and solid biomass for heat production, turning a waste stream into a beneficial energy source

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Quantity of substance

If biomass is dried for fuel production, then energy content is improved, but energy consumption worsens

Engineering Contradiction:
Improveenergy contentVSAvoidenergy consumption
Core Design Contradiction:
Quantity of substanceVSUse of energy by stationary object

Solution Approach 1:

The system uses heat from the CHP plant at the same temperature level where it is most useful for drying biomass. The thermal energy is transferred from the CHP exhaust or process streams directly to the drying process, creating an equipotential heat exchange that maximizes efficiency by using heat at the appropriate temperature gradient

Inventive Principle:
Principle #12Equipotentiality

Solution Approach 2:

The system recovers thermal energy that would otherwise be discarded from the CHP plant and uses it for drying biomass. The heat recovery unit captures waste heat from the CHP exhaust gases or process streams and redirects it to the dryer, converting a waste product into a useful energy resource for moisture removal

Inventive Principle:
Principle #34Discarding and recovering

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system achieves self-sufficiency in producing traffic fuel, heat, and power from renewable biomass, enhancing energy efficiency and reducing environmental impact by recycling thermal energy and minimizing external energy dependence.

Implementation Method 1

a Combined Heat and Power (CHP) plant (102), which fuels itself with dried biomass

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 2

a heat recovery unit (112), which recovers heat from the CHP plant and feeds the heat to the hydrolysis device and the dryer

Methodology Applied
Scientific EffectHeat transfer: Heat Exchanger

Implementation Method 3

a hydrolysis device (108) receiving batches of raw biomass

Methodology Applied
Scientific EffectHydrolysis: Hydrolysis

Implementation Method 4

a digestion device (110) which receives the biomass processed by the hydrolysis device

Methodology Applied
Scientific EffectAnaerobic digestion: Anaerobic Digestion

Implementation Method 5

a dryer (116) drying the biomass processed by the digestion device by the heat recovered from the hydrolysis device

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 6

utilizing heat recovery and thermal isolation to optimize energy efficiency

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP3981861A1System and method for processing biomass
Publication Date: 2022.04.13 SALONEN PETTERI
  • EP3981861A1 patent drawingFigure 1~2
  • EP3981861A1 patent drawingFigure 3~4
  • EP3981861A1 patent drawingFigure 5~6

AI summary

A method and system of processing biomass, wherein the method comprises a process having the following steps: receiving raw biomass into a hydrolysis device (57,108); feeding biomass processed by the hydrolysis device (57,108) to a digestion device (51,110); feeding biogas obtained in the digestion device (51, 110) to a traffic fuel production unit (52,104); recovering heat from the hydrolysis device (57,108); drying biomass processed by the digestion device (51,110) by recovered heat; and burning the dried biomass for producing thermal energy to the process.